The　air-supported　membrane　has　such　properties　as　lightness,　flexibility,　and　strong　geometric　nonlinearity,　which　will　be　significantly　affected　by　arrangements　of　stiffening　cable　nets.However,　large-span　air-supported　membranes　have　seldom　been　reported.Meanwhile,　the　existing　＇CECS　158-2015　Technical　Specification　for　Membrane　Structure＇　does　not　specify　the　wind　vibration　coefficient　of　the　air-supported　membrane.Two　large-span　air-supported　membrane　models,　with　and　without　stiffening　cable　nets,　were　established　to　analyze　their　differences　in　stress　and　displacement　under　internal　pressure　and　gravity.Taking　0°　wind　angle　as　example,　the　wind　pressure　coefficient　was　obtained　by　using　CFD　technology　and　applied　to　two　types　of　air-supported　membrane　models　for　comparison.The　Full　method　was　used　to　analyze　time-history　response　of　wind-induced　vibration　and　the　wind　vibration　coefficients　were　calculated.The　results　show　that　cable　nets　have　minor　influence　on　find-forming　analysis.Meanwhile,　under　internal　pressure　and　gravity,　the　variation　trend　of　the　displacement　of　air-supported　membrane　structure　is　similar　with　that　of　the　stress　of　membrane　with　or　without　cable　nets.However,　under　the　static　wind　load,　the　maximum　displacement　of　air-supported　membrane　structure　with　cable　nets　decreased　57.3%　relatively,　and　the　maximum　stress　of　membrane　decreased　25%　relatively.The　depression　displacement　on　the　windward　side　of　air-supported　membrane　structure　with　cable　nets　decreased　obviously.However,　the　cable　nets　have　little　influence　on　the　wind　vibration　coefficient　of　air-supported　membrane　structure,　and　the　wind　vibration　coefficient　of　this　air-supported　membrane　structure　is　suggested　to　be　1.3.　©　2019,　Editorial　Board　of　Journal　of　Tianjin　University(Science　and　Technology).　All　right　reserved.